package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.dto.SetmealDTO;
import com.sky.dto.SetmealPageQueryDTO;
import com.sky.entity.Employee;
import com.sky.entity.Setmeal;
import com.sky.entity.SetmealDish;
import com.sky.mapper.CategoryMapper;
import com.sky.mapper.SetMealDishMapper;
import com.sky.mapper.SetmealMapper;
import com.sky.result.PageResult;
import com.sky.service.CategoryService;
import com.sky.service.SetmealService;
import com.sky.vo.DishItemVO;
import com.sky.vo.SetmealVO;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.List;
@Service
public class SetMealServiceImpl implements SetmealService {
    @Autowired
    SetmealMapper setmealMapper;
    @Autowired
    SetMealDishMapper setMealDishMapper;
    @Autowired
    CategoryMapper categoryMapper;

    public PageResult pageQuery(SetmealPageQueryDTO setmealPageQueryDTO){
        PageHelper.startPage(setmealPageQueryDTO.getPage(),setmealPageQueryDTO.getPageSize());

        Page<SetmealVO> page = setmealMapper.pageQuery(setmealPageQueryDTO);
        long total = page.getTotal();
        List<SetmealVO> list = page.getResult();

        return new PageResult(total,list);
    }
    public void save(SetmealDTO setmealDTO){
        Setmeal setmeal=new Setmeal();
        BeanUtils.copyProperties(setmealDTO,setmeal);


        //setmeal表格新增
        setmealMapper.insert(setmeal);
        List<SetmealDish> setmealDishes=setmealDTO.getSetmealDishes();
        for(SetmealDish setmealDish:setmealDishes)
            setmealDish.setSetmealId(setmeal.getId());

        //setmealDish新增
        setMealDishMapper.insertBatch(setmealDishes);
    }

    public SetmealVO queryById(Long id){
        SetmealVO setmealVO=new SetmealVO();

        Setmeal setmeal= setmealMapper.getById(id);

        BeanUtils.copyProperties(setmeal,setmealVO);
        String categoryName = categoryMapper.getById(setmeal.getCategoryId());
        List<SetmealDish> setmealDishes = setMealDishMapper.getBySetmealId(id);

        setmealVO.setCategoryName(categoryName);
        setmealVO.setSetmealDishes(setmealDishes);
        return setmealVO;
    }
    public void update(SetmealDTO setmealDTO){
        Setmeal setmeal=new Setmeal();
        BeanUtils.copyProperties(setmealDTO,setmeal);

        setmealMapper.update(setmeal);
        List<Long> setmealIds =new ArrayList<>();
        setmealIds.add(setmealDTO.getId());
        setMealDishMapper.deleteBatch(setmealIds);

        List<SetmealDish> setmealDishes=setmealDTO.getSetmealDishes();
        for(SetmealDish setmealDish:setmealDishes)
            setmealDish.setSetmealId(setmeal.getId());

        setMealDishMapper.insertBatch(setmealDishes);
    }
    public void delete(List<Long> ids){

        //TODO 实际删除要考虑是否在售情况
        setmealMapper.deleteBatch(ids);

        setMealDishMapper.deleteBatch(ids);
    }
    public void startOrStop(Integer status, Long id){

        Setmeal setmeal=Setmeal.builder().status(status).id(id).build();
        setmealMapper.update(setmeal);
    }
    /**
     * 条件查询
     * @param setmeal
     * @return
     */
    public List<Setmeal> list(Setmeal setmeal) {
        List<Setmeal> list = setmealMapper.list(setmeal);
        return list;
    }

    /**
     * 根据id查询菜品选项
     * @param id
     * @return
     */
    public List<DishItemVO> getDishItemById(Long id) {
        return setmealMapper.getDishItemBySetmealId(id);
        //return setmealMapper.getById(id);
    }

}
